I tend to do minor fixes (e.g., spelling, links, etc.). Note that if I edit a page, it doesn't necessarily mean that I have interest/knowledge in that subject; it often just means that I came across that page and noticed something wrong.
(As of April 2016, I haven't been editing much, but I've still sometimes been reading Wikipedia.)
This user tries to do the right thing. If they make a mistake, please let them know.
Thi's user know's that not every word that end's with s need's an apostrophe and will remove misused apostrophe's from Wikipedia with extreme prejudice.
"…"
This user favours typewriter style quotation marks over typographic ones.
This user provides information using userboxes because he or she is bored.
WPC
This user will get around to being a member of the Wikipedian Procrastination Club
This user exists. This is not claiming that this user is not a bot, sockpuppet, blocked user, or inactive user, it is just stating that this user EXISTS. He/She/It/They would like to point out that the reader must exist as well.
This is a Wikipediauser page. This is not an encyclopedia article or the talk page for an encyclopedia article. If you find this page on any site other than Wikipedia, you are viewing a mirror site. Be aware that the page may be outdated and that the user whom this page is about may have no personal affiliation with any site other than Wikipedia. The original page is located at http://en.wikipedia.org/wiki/User:Chridd.
Of course, those 2/3 of my edits are automatic, and they're not recorded in either of those lists. (The other 1/3, of course, are to actual articles, my user page, etc.) Something to think about...